Bug#982425: g++-8: aarch64 -ftree-vectorize generates wrong code

Package: g++-8 Version: 8.4.0-7 Severity: important Tags: patch upstream g++-8 generates incorrect code on arm64 for -O3 if targetting aarch64 unless tree vectorisation is disabled. This is quite bad and affects real packages like vlc and apache arrow. The upstream bug is

Bug#982414: gcc-defaults should provide a libgccjit-dev package

Source: gcc-defaults Version: 1.192 Severity: normal Looking at pygccjit, a libgccjit-dev package depending on the corresponding package from the default gcc would be nice.

Results for 9.3.0 (Debian 9.3.0-22) testsuite on arm-unknown-linux-gnueabi

LAST_UPDATED: Obtained from git: releases/gcc-9.3.0 revision 4212a6a3e44f870412d9025eeb323fd4f50a61da Native configuration is arm-unknown-linux-gnueabi === libatomic tests === Running target unix === libatomic Summary === # of expected passes44 #